Displaying 5 results from an estimated 5 matches for "snapshots2".
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2014 Oct 10
3
KVM incremental backup using CBT
Hi
Looking in to implementing (CBT like) delta backup for KVM.
The following looks promising..(last paragraph)
http://wiki.qemu.org/Features/Snapshots2
* In the last para, there is a mention of copy the blocks from the
disk using dirty-bitmap as reference. How to accomplish this ?
block-mirror with bitmap or is there a qemu-img command ? some details
would be appreciated.
// backup software now reads foo.img using t0_dirty.dbmp to perfo...
2014 Oct 11
5
Re: KVM incremental backup using CBT
...:
> On 10/10/2014 11:37 AM, Jd wrote:
> > Hi
> > Looking in to implementing (CBT like) delta backup for KVM.
>
> Not quite sure what you mean by CBT.
>
> >
> > The following looks promising..(last paragraph)
> > http://wiki.qemu.org/Features/Snapshots2
> >
>
> Libvirt hasn't yet been patched to take advantage of all the latest qemu
> features. Patches are welcome. But libvirt already knows how to create
> external snapshots and do blockpull (backing files pulled into the
> active image so the backing isn't needed...
2014 Oct 13
0
Re: KVM incremental backup using CBT
...; On 10/10/2014 11:37 AM, Jd wrote:
>>> Hi
>>> Looking in to implementing (CBT like) delta backup for KVM.
>> Not quite sure what you mean by CBT.
>>
>>> The following looks promising..(last paragraph)
>>> http://wiki.qemu.org/Features/Snapshots2
>>>
>> Libvirt hasn't yet been patched to take advantage of all the latest qemu
>> features. Patches are welcome. But libvirt already knows how to create
>> external snapshots and do blockpull (backing files pulled into the
>> active image so the backing isn...
2014 Oct 11
0
Re: KVM incremental backup using CBT
On 10/10/2014 11:37 AM, Jd wrote:
> Hi
> Looking in to implementing (CBT like) delta backup for KVM.
Not quite sure what you mean by CBT.
>
> The following looks promising..(last paragraph)
> http://wiki.qemu.org/Features/Snapshots2
>
Libvirt hasn't yet been patched to take advantage of all the latest qemu
features. Patches are welcome. But libvirt already knows how to create
external snapshots and do blockpull (backing files pulled into the
active image so the backing isn't needed any more) and commit (active
f...
2014 Oct 13
1
Re: KVM incremental backup using CBT
...Hi
>> Looking in to implementing (CBT like) delta backup for KVM.
> Not quite sure what you mean by CBT.
Sorry vmware term.. CBT -> changed block tracking. (dirty block)
>
>> The following looks promising..(last paragraph)
>> http://wiki.qemu.org/Features/Snapshots2
>>
> Libvirt hasn't yet been patched to take advantage of all the latest qemu
> features. Patches are welcome. But libvirt already knows how to create
> external snapshots and do blockpull (backing files pulled into the
> active image so the backing isn't needed any more...